Nissan Qashqai (2007-2010). Manual — part 369

ENGINE CONTROL SYSTEM

EC-995

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

1.

Refrigerant pressure sensor

2.

Resister

3.

Cooling fan motor

1.

Intake valve timing control solenoid
valve

2.

Knock sensor

1.

Crankshaft position sensor (POS)

2.

Ground

1.

ASCD clutch switch

2.

Data link connector

JMBIA0445ZZ

JMBIA0446ZZ

JMBIA0347ZZ

JMBIA0348ZZ

EC-996

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

ENGINE CONTROL SYSTEM

Component Description

INFOID:0000000001094052

1.

Stop lamp switch

2.

ASCD brake switch

3.

Accelerator pedal position sensor

1.

ASDC steering switch

2.

CANSEL switch

3.

RESUME/ACCCELERATE switch

4.

SET/COAST switch

5.

MAIN SWITCH

6.

1.

Fuel level sensor unit and fuel pump
harness connector

2.

Fuel level sensor unit and fuel pump 3.

Fuel pressure regulator

JMBIA0349ZZ

JMBIA0346ZZ

Component

Reference

Accelerator pedal position sensor

EC-899, "Description"

ASCD brake switch

EC-883, "Description"

ASCD steering switch

EC-880, "Description"

ASCD vehicle speed sensor

EC-890, "Description"

Camshaft position sensor (PHASE)

EC-813, "Description"

Crankshaft position sensor (POS)

EC-809, "Description"

Cooling fan motor

EC-685, "System Diagram"

Electric throttle control actuator

EC-832, "Description"

Engine coolant temperature sensor

EC-754, "Description"

EVAP canister purge volume control solenoid valve

EC-822, "Description"

Fuel injector

EC-923, "Description"

Fuel pump

EC-926, "Description"

Heated oxygen sensor 1

EC-760, "Description"

Heated oxygen sensor 1 heater

EC-775, "Description"

Heated oxygen sensor 2

EC-778, "Description"

Heated oxygen sensor 2 heater

EC-788, "Description"

ENGINE CONTROL SYSTEM

EC-997

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Ignition signal

EC-929, "Description"

Intake air temperature sensor

EC-1206, "Description"

Intake valve timing control solenoid valve

EC-1044, "System Description"

Knock sensor

EC-807, "Description"

Mass air flow sensor

EC-746, "Description"

Park/neutral position (PNP) switch

EC-892, "Description"

PCV valve

EC-935, "Description"

Refrigerant pressure sensor

EC-936, "Description"

Stop lamp switch

EC-896, "Description"

Throttle control motor

EC-841, "Description"

Throttle control motor relay

EC-838, "Description"

Throttle position sensor

EC-874, "Description"

Vehicle speed sensor

EC-825, "Description"

Component

Reference

EC-998

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

MULTIPORT FUEL INJECTION SYSTEM

MULTIPORT FUEL INJECTION SYSTEM

System Diagram

INFOID:0000000001094053

System Description

INFOID:0000000001094054

INPUT/OUTPUT SIGNAL CHART

*1: This sensor is not used to control the engine system under normal conditions.

*2: This signal is sent to the ECM through CAN communication line.

JMBIA0448GB

Sensor

Input Signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed*

3

Piston position

Fuel injection
& mixture ratio
control

Fuel injector

Camshaft position sensor (PHASE)

Mass air flow sensor

Amount of intake air

Intake air temperature sensor

Intake air temperature

Engine coolant temperature sensor

Engine coolant temperature

Heated oxygen sensor 1

Density of oxygen in exhaust gas

Throttle position sensor

Throttle position

Accelerator pedal position sensor

Accelerator pedal position

Park/neutral position (PNP) switch

Gear position

Battery

Battery voltage*

3

Knock sensor

Engine knocking condition

EPS control unit

Power steering operation

Heated oxygen sensor 2*

1

Density of oxygen in exhaust gas

ABS actuator and electric unit (control unit)*

2

ABS operation command

Air conditioner switch*

2

Air conditioner operation

Combination meter*

2

Vehicle speed